Making Life Easier
Why do a task the hard way, when a little bit of thought can save you a lot of time? Here's a chance to find some efficient methods to solve some tricky problems.
Heavy Pockets
In a world with just pennies, your purse or pockets would be very heavy. Two-coin systems make life much easier... Which coins would you choose?
Lightening the Load
If you wanted to design an efficient currency system, which coin denominations would you choose?
Dropping Eggs
Can you design a good strategy for finding out from which floor you can drop an egg without it smashing?
